X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=logicdatasnapshot.cpp;fp=logicdatasnapshot.cpp;h=5301abf59d04d6920892a5b6bfaa143ebf04c9ad;hp=e751b9d1cd6ae3528311913b7a284fdafaa123b2;hb=8743e7cba1f05ea0dde3dd566f28e6082ed055d0;hpb=6e66a9d46c279355965744548639ba5ef7cdb2cf

diff --git a/logicdatasnapshot.cpp b/logicdatasnapshot.cpp
index e751b9d1..5301abf5 100644
--- a/logicdatasnapshot.cpp
+++ b/logicdatasnapshot.cpp
@@ -323,7 +323,8 @@ void LogicDataSnapshot::get_subsampled_edges(
 		get_sample(end) & sig_mask));
 }
 
-int64_t LogicDataSnapshot::pow2_ceil(int64_t x, int power)
+int64_t LogicDataSnapshot::pow2_ceil(int64_t x, unsigned int power)
 {
-	return ((x >> power) + 1) << power;
+	const int64_t p = 1 << power;
+	return ((x < 0) ? x : (x + p - 1)) / p * p;
 }